Home / Standards / GB 12671-1990 GB 12671-1990 Abolished Polystyrene resin 聚苯乙烯树脂 Standard Type GB ICS 83.080.20 CCS G32 Status 废止 Issue Date 1990-12-30 Implementation 1991-10-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A